CWE-306

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

CVE-2025-4019 (GCVE-0-2025-4019)

Vulnerability from cvelistv5 – Published: 2025-04-28 12:00 – Updated: 2025-04-28 18:08
VLAI
Title
20120630 Novel-Plus GeneratorController.java genCode missing authentication
Summary
A vulnerability, which was classified as critical, was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. Affected is the function genCode of the file novel-admin/src/main/java/com/java2nb/common/controller/GeneratorController.java. The manipulation leads to missing authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.306372 vdb-entrytechnical-description
https://vuldb.com/?ctiid.306372 signaturepermissions-required
https://vuldb.com/?submit.558360 third-party-advisory
https://www.cnblogs.com/aibot/p/18827469 exploit
Impacted products
Vendor Product Version
20120630 Novel-Plus Affected: 0e156c04b4b7ce0563bef6c97af4476fcda8f160
Create a notification for this product.
Credits
aibot88 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2025-40664 (GCVE-0-2025-40664)

Vulnerability from cvelistv5 – Published: 2025-05-26 12:47 – Updated: 2025-05-27 14:23
VLAI
Title
Missing authentication vulnerability in TCMAN GIM v11
Summary
Missing authentication vulnerability in TCMAN GIM v11. This allows an unauthenticated attacker to access the resources /frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser and /frmGestionUser.aspx/DeleteUser.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
TCMAN GIM Affected: 11
Create a notification for this product.
Date Public
2025-05-26 10:00
Credits
Carlos Aguadé
Show details on NVD website
To clipboard 

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CVE-2025-40736 (GCVE-0-2025-40736)

Vulnerability from cvelistv5 – Published: 2025-07-08 10:34 – Updated: 2025-07-08 16:11
VLAI
Summary
A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an endpoint that allows an unauthorized modification of administrative credentials. This could allow an unauthenticated attacker to reset the superadmin password and gain full control of the application (ZDI-CAN-26569).
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Siemens SINEC NMS Affected: 0 , < V4.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-40765 (GCVE-0-2025-40765)

Vulnerability from cvelistv5 – Published: 2025-10-14 09:15 – Updated: 2025-10-14 18:59
VLAI
Summary
A vulnerability has been identified in TeleControl Server Basic V3.1 (All versions >= V3.1.2.2 < V3.1.2.3). The affected application contains an information disclosure vulnerability. This could allow an unauthenticated remote attacker to obtain password hashes of users and to login to and perform authenticated operations of the database service.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Siemens TeleControl Server Basic V3.1 Affected: V3.1.2.2 , < V3.1.2.3 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-40771 (GCVE-0-2025-40771)

Vulnerability from cvelistv5 – Published: 2025-10-14 09:15 – Updated: 2025-10-14 18:59
VLAI
Summary
A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-40816 (GCVE-0-2025-40816)

Vulnerability from cvelistv5 – Published: 2025-11-11 20:20 – Updated: 2025-11-12 14:39
VLAI
Summary
A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA2) (All versions), LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) (All versions), LOGO! 230RCE (6ED1052-1FB08-0BA2) (All versions), LOGO! 230RCEo (6ED1052-2FB08-0BA2) (All versions), LOGO! 24CE (6ED1052-1CC08-0BA2) (All versions), LOGO! 24CEo (6ED1052-2CC08-0BA2) (All versions), LOGO! 24RCE (6ED1052-1HB08-0BA2) (All versions), LOGO! 24RCEo (6ED1052-2HB08-0BA2) (All versions), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) (All versions), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) (All versions), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) (All versions), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2) (All versions), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) (All versions), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) (All versions), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) (All versions), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) (All versions). Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to manipulate the devices IP address, which means the device would not be reachable.
Severity
7.6 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
7.2 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-40817 (GCVE-0-2025-40817)

Vulnerability from cvelistv5 – Published: 2025-11-11 20:20 – Updated: 2025-11-12 14:38
VLAI
Summary
A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA2) (All versions), LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) (All versions), LOGO! 230RCE (6ED1052-1FB08-0BA2) (All versions), LOGO! 230RCEo (6ED1052-2FB08-0BA2) (All versions), LOGO! 24CE (6ED1052-1CC08-0BA2) (All versions), LOGO! 24CEo (6ED1052-2CC08-0BA2) (All versions), LOGO! 24RCE (6ED1052-1HB08-0BA2) (All versions), LOGO! 24RCEo (6ED1052-2HB08-0BA2) (All versions), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) (All versions), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) (All versions), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) (All versions), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2) (All versions), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) (All versions), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) (All versions), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) (All versions), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) (All versions). Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to change time of the device, which means the device could behave differently.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

{
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CVE-2025-41090 (GCVE-0-2025-41090)

Vulnerability from cvelistv5 – Published: 2025-10-28 09:17 – Updated: 2025-10-28 15:35
VLAI
Title
Improper Access Control in CCN-CERT microCLAUDIA
Summary
microCLAUDIA in v3.2.0 and prior has an improper access control vulnerability. This flaw allows an authenticated user to perform unauthorized actions on other organizations' systems by sending direct API requests. To do so, the attacker can use organization identifiers obtained through a compromised endpoint or deduced manually. This vulnerability allows access between tenants, enabling an attacker to list and manage remote assets, uninstall agents, and even delete vaccines configurations.
Severity
7.6 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CCN-CERT microCLAUDIA Affected: 3.2.0
Create a notification for this product.
Date Public
2025-10-28 07:00
Credits
Alejandro Vázquez Vázquez
Show details on NVD website
To clipboard 

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CVE-2025-41651 (GCVE-0-2025-41651)

Vulnerability from cvelistv5 – Published: 2025-05-27 08:38 – Updated: 2025-05-27 13:26
VLAI
Title
Weidmueller: Missing Authentication Vulnerability in Industrial Ethernet Switches
Summary
Due to missing authentication on a critical function of the devices an unauthenticated remote attacker can execute arbitrary commands, potentially enabling unauthorized upload or download of configuration files and leading to full system compromise.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-41654 (GCVE-0-2025-41654)

Vulnerability from cvelistv5 – Published: 2025-05-26 08:21 – Updated: 2025-08-22 09:18
VLAI
Title
PEPPERL+FUCHS: Profinet Gateway LB8122A.1.EL – Device is affected by information disclosure via the SNMP protocol
Summary
An unauthenticated remote attacker can access information about running processes via the SNMP protocol. The amount of returned data can trigger a reboot by the watchdog.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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              "versionType": "semver"
            }
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        }
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              "base64": false,
              "type": "text/html",
              "value": "An unauthenticated remote attacker can access information about running processes via the SNMP protocol. The amount of returned data can trigger a reboot by the watchdog."
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          "value": "An unauthenticated remote attacker can access information about running processes via the SNMP protocol. The amount of returned data can trigger a reboot by the watchdog."
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
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              "cweId": "CWE-306",
              "description": "CWE-306 Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      "providerMetadata": {
        "dateUpdated": "2025-08-22T09:18:26.543Z",
        "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "shortName": "CERTVDE"
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      "references": [
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          "url": "https://cert.vde.com/en/advisories/VDE-2025-011"
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      "source": {
        "advisory": "VDE-2025-011",
        "defect": [
          "CERT@VDE#641711"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "PEPPERL+FUCHS: Profinet Gateway LB8122A.1.EL \u2013 Device is affected by information disclosure via the SNMP protocol",
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    "assignerShortName": "CERTVDE",
    "cveId": "CVE-2025-41654",
    "datePublished": "2025-05-26T08:21:54.033Z",
    "dateReserved": "2025-04-16T11:17:48.306Z",
    "dateUpdated": "2025-08-22T09:18:26.543Z",
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Mitigation

Phase: Architecture and Design

Description:

  • Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
  • Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
  • In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation ID: MIT-15

Phase: Architecture and Design

Description:

  • For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation

Phase: Architecture and Design

Description:

  • Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
  • In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation ID: MIT-4.5

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation

Phases: Implementation, System Configuration, Operation

Description:

  • When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier

This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.

CAPEC-166: Force the System to Reset Values

An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.

CAPEC-216: Communication Channel Manipulation

An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.

CAPEC-36: Using Unpublished Interfaces or Functionality

An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.

CAPEC-62: Cross Site Request Forgery

An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.

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